Rust removing and preventing composition



meme June 19,1928.

UNITED STATES PATENT OFFICE.

EDWARD J. ROGERS, OF MIAMISIBURG, OHTO, ASSIGNOR' TO T HE WESTERFIELD PEAR: IACAL COMPANY, OF DAYTON, OHIO, A CORPORATION OF OHIO.

BUST REMOVING AND PREVENTING COMPOSITION.

No Drawing.

This invention relates to a new and useful composition for removing rust from metals, and preventing their corrosion.

It is the principal object of my invention to provide an easily-applied and quicklydrying liquid for removing rust and acid stains from metals and for preventing the formation of rust'upon them. 4

My composition is an excellent one for l preparing the metal parts of automobile S o l u b 1 e cotton (pyroxylin, C H

Acetone (C H O) 3 Amyl acetate ((LH O 3 Phosphoric acid (H,P6,) 24 Ethyl acetate (C H O 69 My liquid composition may be quickly made in a jar, barrel or other container by first dissolving the soluble cotton such as pyroxylin in the ethyl acetate. Amyl ace- Application filed September'iti, 1927. Serial No. 222,219.

tate, acetone and phosphoric acid are then added in the proportions named. In the liquid mixture produced the phosphoric acid acts as the deoxidizing agent when the composition is applied to a metal object such as an automobile fender, to remove rust and acid stains therefrom. The soluble cotton,

and other ingredients of themixture form a I -coating upon the metal to prevent its further oxidation.

The. composition may be applied .to' the meal by a brush and then rubbed in by a ra or waste, afterwhich the treated surface wi 1 dry quickly so that it may be painted with in a half hour at least after the composition is applied. The metal part to be painted is not only quickly, but thoroughly, prepared for painting by the employment of my improved composition.

Having described my invention, 1 claim:-

1. A rust removing and preventing composition, comprising ethyl acetate, phos phoric .acid, amyl acetate, acetone and soluble cotton.

2. A. rust removing and preventing composition-, comprising eth l acetate 69%;

phosphoric acid 24%; arny acetate 3%; acetone3% and soluble cotton 1%. i

In witness whereof I have hereunto set my'hand this 24th day of September,'1927.

- EDWARD J. ROGERS. 

